Finding the Fourth Proportional to 7,477,800.84, 10,319,372.46 and 4,040,044.62
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Solution
The fourth proportional to 7,477,800.84, 10,319,372.46 and 4,040,044.62 is: 5,575,265.52
Step by Step Solution
- Step 1: Write the proportion equation
7,477,800.84 : 10,319,372.46 = 4,040,044.62 : x - Step 2: Convert to fraction form
7,477,800.84/10,319,372.46 = 4,040,044.62/x - Step 3: Cross multiply
7,477,800.84x = 10,319,372.46 × 4,040,044.62 - Step 4: Simplify right side
7,477,800.84x = 41,690,725,188,799.17 - Step 5: Solve for x
x = 41,690,725,188,799.17/7,477,800.84 - Step 6: Final answer
x = 5,575,265.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.